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Power Supply: 100 to 240 VAC (+10%
resistance to harsh industrial environments
all outputs –10V into minimum load
Input Frequency Range: 0
Modbus TCP messaging
YOKOGAWA ALR121-S50 Communication Module 2-Wide Power/Controller Carrier Power Supply: 100 to 240Overview The Yokogawa ALR121 S50 is a serial communication module designed for use in Yokogawa control systems. It provides two serial communication ports, supporting RS 422 and RS 485 protocols, allowing for reliable communication with various devices. Technical Specifications Manufacturer: Yokogawa Product Type: ALR121 Serial Communication Module Interface: RS 422 RS 485 Connection Method: Point to point (RS 422), Multipoint (RS 485) Synchronization